snoreking makes a very good point about some availability to recharge during the day. This reduces the amp-hour requirement to a single night (8 hour). In my previous example with converter and pressure of 12 you only needed 10 amp-hours for 8 hours. This would be a much smaller battery than the 3 d...

So you probably already have the battery document from ResMed: http://www.resmed.com/us/assets/documents/service_support/battery_guide/19825_battery-guide_glo_eng.pdf When I travel I only take the base machine. I leave the humidifier at home. Power used by the unit varies with the pressure setting, ...

A few years back, before cpap, I had nosebleeds daily, sometimes two or three per day. Often it was my fault as I would rub or pick my nose. But just as often the nose would start bleeding without warning while I was sitting at my desk or just walking. I had to take a spare shirt to work because it ...